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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 21,344

1. Which of the following numbers is divisible by 4?

(a) 5986 (b) 607294 (c) 813572 (d) 3100918

2. Which of the following numbers is divisible by 8?

(a) 30256 (b) 125912 (c) 139874 (d) 560194

3. Which of the following numbers are divisible by 11?

(a) 29121 (b) 624712 (c) 1009767 (d) 704433

4. Which of the following are co-primes?

(a) 6, 13 (b) 8, 9 (c) 12, 15 (d) 16, 21

5. Find the Greatest Common Divisor of 301, 516, and 1935

6. Find the Least Common Multiple of 26, 28, 49, and 91.

7. The product of two numbers is 16428. If their Greatest Common Divisor is 37, find their Least Common Multiple.

8. The sum of two consecutive odd numbers is 76. Find the numbers.

9. The ratio of the number of boys and girls in a school is 7:4. If the number of girls is 308, find the number of boys in the school.

10. Divide $630 in the ratio 2:3:4.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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